libsnmp: Fix a memory leak in the MIB parser

bvanassche · bvanassche · commit 2ee581b2ece5 · 2025-03-04T06:18:57.000-08:00
Fixes: https://issues.oss-fuzz.com/issues/383154227
diff --git a/snmplib/parse.c b/snmplib/parse.c
@@ -2914,6 +2914,7 @@ parse_notificationDefinition(FILE * fp, char *name)
                 print_error("Bad REFERENCE", quoted_string_buffer, type);
                 goto free_node;
             }
+            free(np->reference);
             np->reference = strdup(quoted_string_buffer);
             break;
         case OBJECTS:

Original file line number	Diff line number	Diff line change
`@@ -2914,6 +2914,7 @@ parse_notificationDefinition(FILE * fp, char *name)`
`2914`	`2914`	`print_error("Bad REFERENCE", quoted_string_buffer, type);`
`2915`	`2915`	`goto free_node;`
`2916`	`2916`	`}`
	`2917`	`+ free(np->reference);`
`2917`	`2918`	`np->reference = strdup(quoted_string_buffer);`
`2918`	`2919`	`break;`
`2919`	`2920`	`case OBJECTS:`